Q11. What is the function of output unit in a computer system? Give example of some output devices.
Ans. The output unit is formed by the output devices attached to the computer. The output coming from the CPU is in the form of electronic binary signals which needs conversion in some form which can be easily understood by human beings that is, characters, graphical or audio visual. This function of conversion is performed by output units. Some popular output devices are VDU (Visual Display Unit), printer, plotter, speech synthesizer and coder etc.